Want to export data from Redshift table to JSON using current date as file name?
Try Withdata DBToFile, a Redshift to JSON converter for Windows, Linux, and macOS, Export Redshift data to JSON, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Export data from Redshift table to JSON file using dynamic filename with date and time
Login to Redshift -> Choose Redshift table -> Set JSON filename template including date -> Export Redshift to JSON using current date as file name
Choose Redshift and logon.
“Export From Table” for “JSON to Redshift“.
Select JSON file type.
1. Choose Redshift table.
2. Set JSON file options. Enter filename template, including date, #yyyy# is for current year, #mm# month, #dd# day, #hh# hour, #mi# minute, #ss# second.
3. Set rows options.
4. Export Redshift table data to JSON file. Dynamically created JSON file name using present system time.
After exporting, you can view output JSON files.
More about Redshift to JSON converter
Download Withdata DBToFile
Redshift → JSON reference
Type mapping
| Value kind | in Redshift | in JSON |
|---|---|---|
| Int | integer | 1234 (number) |
| Bigint | bigint | 9007199254740993 |
| Decimal | numeric(p,s) | 1234.56 (number) |
| Float | double precision | 1.234e10 (number) |
| Text | varchar(n) | "text" (string) |
| Long text | varchar(max) | "multi-line\ntext" (escaped newline inside a string) |
| Date | date | "2026-09-18" (string) |
| Datetime | timestamp | "2026-09-18T14:30:00Z" (string) |
| Binary | (none) | "base64:..." (string) |
| Boolean | boolean | true / false (boolean) |
| JSON | super | nested object or array, kept as structure |
Dialect differences
Redshift is a database server and JSON is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in Redshift | in JSON |
|---|---|---|
| port | 5439 | — |
| identifiers | "double quotes" | Double quotes; backslash escapes |
| row limit | LIMIT n | — |
| dates | timestamp, date | No date type: dates arrive as strings and the reader must p... |
| long text | VARCHAR(MAX) | — |
| binary | — | Not supported natively - base64 inside a string |
| separator | — | Braces and commas |
| encoding | — | UTF-8 by definition |
| typing | — | string, number, boolean, null, object, array - no date type |
| shape | Tables of rows and columns | Nested objects and arrays |
| ceiling | — | Whole document is usually parsed into memory |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| Redshift (load) | COPY from S3 |
No counterpart
- JSON has no equivalent for Binary – it has to be flattened or dropped.
Redshift to CSV without the manual work
For batch jobs, large files and scheduling use the Redshift to CSV converter — an offline desktop app for Windows, Linux and macOS. Free trial.
